Apolipoproteins: A, B, and E

Apolipoproteins: A, B, and E is a topic covered in the Davis's Lab & Diagnostic Tests.

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General

Synonym/Acronym:
Apo A (Apo A1), Apo B (Apo B100), and Apo E.

Common Use:
To identify levels of circulating lipoprotein to evaluate the risk of coronary artery disease (CAD).

Specimen:
Serum collected in a gold-, red-, or red/gray-top tube or plasma collected in a green- (heparin) or lavender-top (EDTA) tube for Apo A and Apo B; Plasma collected in a lavender-top (EDTA) tube.

Normal Findings:
(Method: Immunonephelometry for Apo A and Apo B; PCR with restriction length enzyme digestion and polyacrylamide gel electrophoresis for Apo E)


Apolipoprotein A
AgeConventional UnitsSI Units (Conventional Units × 0.01)
Newborn
 Male41–93 mg/dL0.41–0.93 g/L
 Female38–106 mg/dL0.38–1.06 g/L
6 mo–4 yr
 Male67–163 mg/dL0.67–1.63 g/L
 Female60–148 mg/dL0.6–1.48 g/L
Adult
 Male81–166 mg/dL0.81–1.66 g/L
 Female80–214 mg/dL0.80–2.14 g/L

Apolipoprotein B
AgeConventional UnitsSI Units (Conventional Units × 0.01)
Newborn–5 yr11–31 mg/dL0.11–0.31 g/L
5–17 yr
 Male47–139 mg/dL0.47–1.39 g/L
 Female41–96 mg/dL0.41–0.96 g/L
Adult
 Male46–174 mg/dL0.46–1.74 g/L
 Female46–142 mg/dL0.46–1.42 g/L

Normal Apo E: Homozygous phenotype for e3/e3.

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Citation

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TY - ELEC T1 - Apolipoproteins: A, B, and E ID - 425328 Y1 - 2017 PB - Davis's Laboratory & Diagnostic Tests UR - https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425328/all/Apolipoproteins:_A__B__and_E ER -